#
# Overview of IBM Corporate Private Use Area (PUA) assignments for Arabic
#

# Terminal forms of wide letters with descenders, but with only the descending half of the descender
#  e.g. AS010000 + SM870000 (U+FE73) = AS010006 (U+FEB1)
U+F8F4  AS450000 Sad (1st part) (A) - Isolated-Final
U+F8F5  AS230000 Sheen (1st part) (A) - Isolated-Final
U+F8F6  AS010000 Seen (1st part) (A) - Isolated-Final
U+F8F7  AD450000 Dud (1st part) (A) - Isolated-Final

# Second half of a lam+alef mandatory ligature
#  e.g. AL010003 (U+FEDF) + AA010006 = AL020001 (U+FEFB)
U+F8F8  AA310406 Hamza Under Aleph (after Lam) (A) - Final
U+F8F9  AA310006 Aleph Hamza (after Lam) (A) - Final
U+F8FA  AA210006 Aleph Madda (after Lam) (A) - Final
U+F8FB  AA010006 Aleph (after Lam) (A/F/U) - Final

# Ascending half of a descender (see above), later gained a standard codepoint as U+FE73
#  e.g. AS010000 + SM870000 (U+FE73) = AS010006 (U+FEB1)
U+F8FC  SM870000 Kasseh (Tail)

# An entire descender, for applying to an applicable non-terminal form to obtain a terminal form
#  e.g. AS010003 (U+FEB3) + SM870001 = AS010006 (U+FEB1)
(N/A)   SM870001 Old Kasseh (Tail) # No IBM PUA assignment, though U+F8FD is vacant

# Compromise forms of alef which can optionally (no hook) connect at bottom-right (due to slant)
U+FFF22 AA210001 Aleph Madda (A) - Isolated-Final
U+FFF23 AA310001 Aleph Hamza (A) - Isolated-Final
U+FFF25 AA310401 Hamza under Aleph (A) - Isolated-Final
U+FFF27 AA010001 Aleph (A) - Isolated-Final

# Other compromise forms suitable for multiple cursive positions
U+FFF26 AY310001 Yeh Hamza (A) - Isolated-Final
U+FFF47 AH010007 Heh (A) - Initial-Middle
U+FFF49 AA020001 Aleph Maksura (A) - Isolated-Final
U+FFF4A AY010001 Yeh (A) - Isolated-Final